Battery AMTB 913

Battery AMTB 913 (1943-1946) - Battery AMTB 913 was a reinforced concrete World War IIAMTB rapid fire 90mm gun battery on Fort H.G. Wright, New York. Battery construction started on 19 May 1943, was completed on 19 Aug 1943 and transferred to the Coast Artillery for use 20 Dec 1943. Deactivated in 1946.

The battery had a dual mission of defense against fast enemy motor torpedo boats and enemy aircraft. The effective range of the guns was about 8,000 yards. Each weapon required a crew of 15, 9 men in the gun squad and 6 men in the ammunition squad.

From FM 4-91:
"This weapon consists of the 90-mm gun M1 and top carriage M1A1 on the 90-mm gun mount M3. The mount M3 is of the turret type, the shielding being constructed of boiler plates. This boiler plate shield provide fragmentation protection only. No shielding is provided at the rear due to the requirements for service of the piece. A sighting port in the shielding in front permits sighting in direction by the gun pointer."